651980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4657}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 1565088

約数和(自身を除く): 913108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4657, 9314, 18628, 23285, 32599, 46570, 65198, 93140, 130396, 162995, 325990, 651980]

約数ペア:

[(1, 651980), (2, 325990), (4, 162995), (5, 130396), (7, 93140), (10, 65198), (14, 46570), (20, 32599), (28, 23285), (35, 18628), (70, 9314), (140, 4657)]